/* Global Styles */
:root {
    --primary-color: #6c63ff;
    --secondary-color: #ff6b6b;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --gray-color: #7f8c8d;
    --bg-color: #f9fafb;
    --text-color: #2c3e50;
    --card-bg: #ffffff;
    --border-color: #e1e1e1;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body.dark-mode {
    --primary-color: #8c83ff;
    --secondary-color: #ff8b8b;
    --dark-color: #232342; /* Changed to a darker color for elements that use dark-color as background */
    --light-color: #e0e0e0; /* Lighter for better contrast */
    --bg-color: #121226;
    --text-color: #ffffff; /* Pure white for maximum readability */
    --card-bg: #1e1e3f;
    --border-color: #3a3a6e;
    --shadow-color: rgba(0, 0, 0, 0.5);
    --gray-color: #b0b0c0; /* Lighter gray for dark mode */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn i {
    margin-left: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-line {
    width: 70px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: var(--card-bg);
    box-shadow: 0 5px 15px var(--shadow-color);
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    bottom: -5px;
    left: 0;
    transition: var(--transition);
}

.nav-links a:hover:after,
.nav-links a.active:after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.menu-btn {
    display: none;
    cursor: pointer;
    position: relative;
}

.menu-btn__burger {
    width: 30px;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 5px;
    transition: var(--transition);
    position: relative;
}

.menu-btn__burger::before,
.menu-btn__burger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 5px;
    transition: var(--transition);
}

.menu-btn__burger::before {
    transform: translateY(-8px);
}

.menu-btn__burger::after {
    transform: translateY(8px);
}

/* Hero Section - Updated for dark mode and AI focus */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(249, 250, 251, 0.9), rgba(249, 250, 251, 0.9)), url('../images/hero-bg.png') center/cover;
    display: flex;
    align-items: center;
    position: relative;
    transition: var(--transition);
}

body.dark-mode .hero {
    background: linear-gradient(rgba(18, 18, 38, 0.95), rgba(18, 18, 38, 0.95)), url('../images/hero-bg.png') center/cover;
}

/* Highlight AI agent skills with a slight glow effect */
#ai-agents .skill-item i {
    text-shadow: 0 0 10px rgba(108, 99, 255, 0.3);
}

#ai-agents .skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(108, 99, 255, 0.15);
}

/* Make AI Agent projects stand out */
.project-card[data-category="ai-agent"] {
    border-top: 3px solid var(--primary-color);
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInDown 1s both;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.text-animate {
    margin-bottom: 20px;
    animation: fadeInUp 1s both 0.3s;
}

.text-animate h3 {
    font-size: 32px;
    font-weight: 600;
}

.text-rotate {
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    animation: fadeInUp 1s both 0.6s;
}

.btn-group {
    animation: fadeInUp 1s both 0.9s;
}

.btn-group .btn {
    margin-right: 15px;
    margin-bottom: 15px;
}

.social-icons {
    margin-top: 40px;
    animation: fadeInUp 1s both 1.2s;
}

social-icons a {
    font-size: 20px;
    margin-right: 20px;
    color: var(--dark-color);
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

/* Update mouse scroll indicator for dark mode */
.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-color);
    border-radius: 15px;
    position: relative;
    transition: var(--transition);
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--text-color);
    border-radius: 50%;
    animation: scrollDown 1.5s infinite;
    transition: var(--transition);
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-img {
    flex: 1;
}

.about-img img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text {
    flex: 1;
}

.about-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--gray-color);
}

body.dark-mode .about-text p {
    color: #b0b0c0;
}

.about-info {
    display: flex;
    margin: 30px 0;
}

.info-item {
    margin-right: 40px;
}

.info-item h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

body.dark-mode .info-item h4 {
    color: #e0e0e0;
}

.info-item p {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0;
}

/* Skills Section */
.skill-categories {
    margin-top: 50px;
}

.category-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.skill-tab {
    padding: 10px 25px;
    margin: 0 10px;
    background: transparent;
    border: none;
    border-bottom: 2px solid #ddd;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

body.dark-mode .skill-tab {
    color: #ffffff; /* Making skill tab text white in dark mode */
    border-bottom: 2px solid #3a3a6e; /* Darker border for inactive tabs */
}

.skill-tab.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.skill-content {
    display: none;
}

.skill-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.skill-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.skill-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.skill-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.skill-level {
    height: 6px;
    background-color: #eee;
    border-radius: 3px;
    margin-top: 15px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 3px;
}

/* Education Section - Updated with toggle */
.education-content {
    margin-top: 60px;
}

.education-item {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow-color);
    margin-bottom: 30px;
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    cursor: pointer;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 18px;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
    background-color: var(--border-color);
}

body.dark-mode .toggle-btn {
    background-color: #2a2a50;
    color: #fff;
}

.toggle-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.toggle-btn i {
    transition: transform 0.3s ease;
}

.toggle-btn.active i {
    transform: rotate(180deg);
}

.education-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    padding-top: 0;
}

.education-details.active {
    max-height: 1000px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.education-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.education-place {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--dark-color);
}

body.dark-mode .education-place {
    color: #e0e0e0;
}

.section-sub-header {
    margin-bottom: 30px;
    text-align: center;
}

.section-sub-header h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--dark-color);
}

body.dark-mode .section-sub-header h3 {
    color: #e0e0e0;
}

.education-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.education-place {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.education-date {
    font-size: 14px;
    color: var(--gray-color);
    margin-bottom: 20px;
}

body.dark-mode .education-date {
    color: #b0b0c0;
}

.coursework, .certifications {
    margin-top: 20px;
}

.coursework h5, .certifications h5 {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

body.dark-mode .coursework h5, 
body.dark-mode .certifications h5 {
    color: #e0e0e0;
}

.coursework-tags, .certification-tags {
    display: flex;
    flex-wrap: wrap;
    margin-top: 10px;
}

.coursework-tags span, .certification-tags span {
    background-color: var(--light-color);
    color: var(--dark-color);
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 20px;
    margin-right: 10px;
    margin-bottom: 10px;
}

body.dark-mode .coursework-tags span, 
body.dark-mode .certification-tags span {
    background-color: #2a2a50;
    color: #ffffff;
}

/* Projects Section */
.project-filters {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    margin: 0 5px;
    background: transparent;
    border: 1px solid #ddd;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

body.dark-mode .filter-btn {
    border-color: #3a3a6e;
    color: #e0e0e0;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.project-img {
    position: relative;
    overflow: hidden;
    height: 230px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(108, 99, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link,
.project-github {
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 10px;
    font-size: 20px;
    color: var(--primary-color);
    transform: translateY(20px);
    transition: var(--transition);
    opacity: 0;
}

.project-card:hover .project-link,
.project-card:hover .project-github {
    transform: translateY(0);
    opacity: 1;
}

.project-link:hover,
.project-github:hover {
    background-color: var(--dark-color);
    color: white;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.project-info p {
    color: var(--gray-color);
    margin-bottom: 15px;
    font-size: 15px;
}

body.dark-mode .project-info p {
    color: #b0b0c0;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
}

.project-tags span {
    font-size: 12px;
    padding: 5px 15px;
    background-color: var(--border-color);
    border-radius: 20px;
    margin-right: 10px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.projects-more {
    text-align: center;
    margin-top: 40px;
}

/* Contact Section */
.contact-content {
    display: flex;
    gap: 50px;
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

body.dark-mode .contact-info h3 {
    color: #e0e0e0;
}

.contact-info p {
    color: var(--gray-color);
    margin-bottom: 30px;
}

body.dark-mode .contact-info p {
    color: #b0b0c0;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
    font-size: 20px;
    color: var(--primary-color);
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    margin-bottom: 0;
}

.social-links {
    display: flex;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    font-size: 18px;
    color: var(--dark-color);
    transition: var(--transition);
}

social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

.contact-form {
    flex: 1;
}

.input-group {
    margin-bottom: 20px;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-color);
}

.input-group textarea {
    height: 150px;
    resize: none;
}

.input-group input::placeholder,
.input-group textarea::placeholder {
    color: var(--gray-color);
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
}

/* Enhanced Contact Form */
.form-status {
    margin-top: 15px;
    min-height: 30px;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 15px;
}

.alert-success {
    background-color: var(--success-color);
    color: white;
}

.alert-error {
    background-color: var(--danger-color);
    color: white;
}

.direct-email {
    margin-top: 20px;
    text-align: center;
    font-size: 15px;
}

.direct-email a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: underline;
}

.direct-email a:hover {
    opacity: 0.8;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    padding: 30px 0;
    text-align: center;
    color: white;
}

body.dark-mode .footer {
    background-color: #13132b; /* Darker background for footer in dark mode */
    color: #ffffff; /* Ensuring white text in footer */
}

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.scroll-top.active {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--dark-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* Dark Mode Toggle */
.dark-mode-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    margin-right: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border-radius: 50%;
    background-color: var(--light-color);
    transition: var(--transition);
}

body.dark-mode .dark-mode-toggle {
    background-color: #2a2a50; /* Darker background for the toggle in dark mode */
    color: #ffffff; /* Ensuring white text for better visibility */
}

.dark-mode-toggle:hover {
    background-color: var(--primary-color);
    color: white;
}

.dark-mode-toggle i {
    font-size: 18px;
    transition: var(--transition);
}

.dark-mode-toggle .fa-sun {
    display: none;
}

body.dark-mode .dark-mode-toggle .fa-moon {
    display: none;
}

body.dark-mode .dark-mode-toggle .fa-sun {
    display: block;
    color: #fff; /* Ensuring the sun icon is white for visibility */
}

/* Media Queries */
@media screen and (max-width: 1024px) {
    .hero-content h1 {
        font-size: 40px;
    }
    
    .text-animate h3 {
        font-size: 28px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-img {
        margin-bottom: 40px;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-info {
        justify-content: center;
    }
    
    .projects-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .navbar {
        padding: 15px 0;
    }
    
    .menu-btn {
        display: block;
        z-index: 999;
    }
    
    .menu-btn.open .menu-btn__burger {
        background: transparent;
    }
    
    .menu-btn.open .menu-btn__burger::before {
        transform: rotate(45deg);
    }
    
    .menu-btn.open .menu-btn__burger::after {
        transform: rotate(-45deg);
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 20px 0;
    }
    
    .hero-content h1 {
        font-size: 32px;
    }
    
    .text-animate h3 {
        font-size: 24px;
    }
    
    .hero-content p {
        font-size: 16px;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .contact-content {
        flex-direction: column;
    }
    
    .contact-info {
        margin-bottom: 40px;
    }
}

@media screen and (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .text-animate h3 {
        font-size: 20px;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .about-info {
        flex-direction: column;
    }
    
    .info-item {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .category-selector {
        flex-wrap: wrap;
    }
    
    .skill-tab {
        margin-bottom: 10px;
    }
    
    .project-filters {
        flex-wrap: wrap;
    }
    
    .filter-btn {
        margin-bottom: 10px;
    }
}